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Evidence row 127254

Observed , by baseline/1.

Kind
listing
About
source_record x402_bazaar:https://zeuskb.com/kb/aivu-apac-audio-extraction
Recorded
Previous row
None: the first of its kind about this subject
Body SHA-256
eef5baa51e9bec633af5c69cf3f4514821ee8604112a61dd8ea10b742d905b80
Leaf
0x2ca3f7f5cb3f33761147fb66cb192379707919fc95463da95b7cf36ee934111e

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://zeuskb.com/kb/aivu-apac-audio-extraction"
    ]
  ],
  "name": "Zeus Visuals Immersive KB",
  "owner_address": "0xd20732433e3732c5703eb1eb205b58dee4d1e567",
  "raw": {
    "accepts": [
      {
        "amount": "100000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 120,
        "network": "eip155:8453",
        "payTo": "0xd20732433e3732c5703EB1Eb205b58DeE4D1e567",
        "scheme": "exact"
      },
      {
        "amount": "100000",
        "asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
        "extra": {
          "feePayer": "BFK9TLC3edb13K6v4YyH3DwPb5DSUpkWvb7XnqCL9b4F"
        },
        "maxTimeoutSeconds": 120,
        "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
        "payTo": "BxaZd1pxVfpMYdns6eedACfSaTo3TzofUhow8BtpdTA9",
        "scheme": "exact"
      }
    ],
    "description": "Getting audio out of an AIVU when FFmpeg says \"no decoder found for apple_apac\". Apple Immersive (AIVU) audio is APAC, which FFmpeg can't decode or copy into MP4, and Apple's automatic stereo mix silently returns silence. The working fix is to decode APAC natively to PCM with AVFoundation, then encode with FFmpeg. Exact errors, settings, and gotchas.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "method": "GET",
            "queryParams": {},
            "type": "http"
          },
          "output": {
            "example": {
              "content": "Full markdown text of the entry",
              "slug": "aivu-apac-audio-extraction",
              "tags": [
                "apple-immersive-video",
                "aivu",
                "apac",
                "spatial-audio",
                "ffmpeg",
                "avfoundation",
                "audio",
                "conversion"
              ],
              "title": "Getting audio out of an AIVU when FFmpeg says \"no decoder found for apple_apac\"",
              "updated": "2026-10-07"
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "method": {
                  "enum": [
                    "GET"
                  ],
                  "type": "string"
                },
                "queryParams": {
                  "properties": {},
                  "type": "object"
                },
                "type": {
                  "const": "http",
                  "type": "string"
                }
              },
              "required": [
                "type",
                "method"
              ],
              "type": "object"
            },
            "output": {
              "properties": {
                "example": {
                  "type": "object"
                },
                "type": {
                  "type": "string"
                }
              },
              "required": [
                "type"
              ],
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      }
    },
    "iconUrl": "https://res.cloudinary.com/bdb-prod/image/upload/c_fill,ar_1:1,w_256,h_256,f_auto,q_auto/v1791425890/bazaar-icons/de2dcffcf82032ab.png",
    "lastUpdated": "2026-10-23T22:51:03.691Z",
    "quality": {
      "l30DaysTotalCalls": 5,
      "l30DaysUniquePayers": 4,
      "lastCalledAt": "2026-10-23T22:51:03.293Z"
    },
    "resource": "https://zeuskb.com/kb/aivu-apac-audio-extraction",
    "serviceName": "Zeus Visuals Immersive KB",
    "tags": [
      "apple-immersive-video",
      "aivu",
      "apac",
      "spatial-audio",
      "ffmpeg"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Getting audio out of an AIVU when FFmpeg says \"no decoder found for apple_apac\". Apple Immersive (AIVU) audio is APAC, which FFmpeg can't decode or copy into MP4, and Apple's automatic stereo mix silently returns silence. The working fix is to decode APAC natively to PCM with AVFoundation, then encode with FFmpeg. Exact errors, settings, and gotchas."
}

What the leaf hashes

{"body":"eef5baa51e9bec633af5c69cf3f4514821ee8604112a61dd8ea10b742d905b80","id":127254,"kind":"listing","method":"baseline/1","observed_us":1793025637757384,"prev":null,"subject":"x402_bazaar:https://zeuskb.com/kb/aivu-apac-audio-extraction","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of (296695 rows).

  1. 0x2ca3dff6301f74982d8ac3fb4b2b4c8c895c376d584df4af3b458a6ab3c042aa
  2. 0xa42ff1d931e3203a7c0e5120a4240c7ee628f81fb3ba3a761d30f80d0d0e0b23
  3. 0x8c7e21d979bbbf4be89ed770ad120f5539117bf388d51d1d3f87f688bb7c97c9
  4. 0x930f86cc9b7d728f5c7b198772b4f831401013885027a3a9784763381a0bc9ef
  5. 0x65826bdbf4515a56667acf3ab6b87e8d5beae781c76734c1cf60558a1632e9cc
  6. 0xeffee48a56931534184e78006744b52ba3827e8fc575869a49d2e824cf3efe40
  7. 0x3992ef7d77cdc63028f12357cdde066ddc987d25fb82961cd08ea8a0e34d9e61
  8. 0xcb80d18a740ba1dc45c76a5cc87f62e5a6f0683b935f2cc0da3c1e23a3141b5b
  9. 0x7420dba81dac91978bdf01f95a02b6ae12fba03502cf439be566afd5217ef304
  10. 0x92ae512ac303ebf33e234dd8900de38bc100cacd7e3e6d4585dab96308c421ca
  11. 0x9f7d3cc11f13fc54c5221c4babc2273f69d77c4b805c79df41df74cfb0975d6c
  12. 0xf89d9951e0a8e08b9cf11177a1f4e0fd86d9facc5dfecaabbfe564675ebefef7
  13. 0xb87e8b32cda179c9e632e227bbd8a6d1f6f61d9d81bb92dbd4dd835d2b3b5caa
  14. 0x683955a5b2250ad50568d022a6580d8739b6aff1356779d72a773b088e7c289c
  15. 0x610738e0c43687aded83c613c73de8b5226c73c375858a167436461c522ea213
  16. 0x06d71bfa7d8b41d62c8836efc2c601e1cc3772d9453596b2ae4950887f3310ca
  17. 0x8c756542e482157df0c36464d75c937b845e4423dbbcfad08f0cf8d5a16b9a13
  18. 0x20704208aa6923d6b2450ef74ede87a6e0265d46447926038fe9506e9e154b2d
  19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a
Day root
0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8
Chained
0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a
Published
On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae

How to check it · This row as JSON